We may consequently state the fundamental theorem of Natural Selection in the form: The rate of increase in fitness of any organism at any time is equal to its genetic variance in fitness at that time. — Ronald Fisher Copy Share Image
[Coining the phrase "test of significance"] Critical tests of this kind may be called tests of significance, and when such tests are available we… — Ronald Fisher Copy Share Image
We can set no limit to human potentialities; all that is best in man can be bettered; it is not a question of producing… — Ronald Fisher Copy Share Image
If ... we choose a group of social phenomena with no antecedent knowledge of the causation or absence of causation among them, then the… — Ronald Fisher Copy Share Image
The statistician cannot evade the responsibility for understanding the process he applies or recommends. — Ronald Fisher Copy Share Image
Modern statisticians are familiar with the notion that any finite body of data contains only a limited amount of information on any point under examination; that this limit is set by the nature of the data themselves, and cannot be increased by any amount of ingenuity expended in their statistical examination: that the statistician's task, in fact, is limited to… — Ronald Fisher Copy Share
The academic mind, as we know, is sometimes capable of assuming an aggressive attitude. The official mind, on the contrary, is and has to… — Ronald Fisher Copy Share Image
However, perhaps the main point is that you are under no obligation to analyse variance into its parts if it does not come apart… — Ronald Fisher Copy Share Image
... no scientific worker has a fixed level of significance at which from year to year, and in all circumstances, he rejects hypotheses; he… — Ronald Fisher Copy Share Image
The analysis of variance is not a mathematical theorem, but rather a convenient method of arranging the arithmetic. — Ronald Fisher Copy Share Image
The best causes tend to attract to their support the worst arguments, which seems to be equally true in the intellectual and in the… — Ronald Fisher Copy Share Image
If one in twenty does not seem high enough odds, we may, if we prefer it, draw the line at one in fifty (the 2 per cent. point), or one in a hundred (the 1 per cent. point). Personally, the writer prefers to set a low standard of significance at the 5 per cent. point, and ignore entirely all results… — Ronald Fisher Copy Share
![“[Coining the phrase "test of significance"] Critical tests of this kind may be called tests of significance, and when such tests are available we may discover whether a second sample is or is not significantly different from the first.” quote by Ronald Fisher](https://sms4smile.com/quotes/img-quotes/ddb/ronald-fisher-14852_available_coining-the-phrase-test-of-significance_46951.jpg)
